A Union man was trying to make “flash powder” Tuesday afternoon, and that led to a small explosion outside his home and a felony charge announced Thursday evening. Connell Theodore Gubser, 68, was ...

Any experiment that ends with an explosion is worth doing, so I can understand why Tech Photo Blog wanted to test a 150 year old flash powder recipe against modern flash technology, even though it ...

A 29-year-old man was arrested Thursday after screeners at the Philadelphia airport found flash powder and fireworks in his backpack, the Transportation Security Administration said. A federal ...